Copper (II) ions and copper nanoparticles-loaded chemically modified cotton cellulose fibers with fair antibacterial properties

The present work describes synthesis of copper alginate-cotton cellulose (CACC) composite fibers and detailed investigation of antimicrobial action against the model bacteria E.coli. The CACC fibers were prepared by immersing cotton fibers in aqueous solution of sodium alginate, followed by ionic crosslinking of alginate chains within the cotton cellulose fibers with Cu(II) ions to yield CACC composite fibers. The resulting CACC fibers were investigated for their biocidal action against E.coli, by using zone inhibition and colonies counting method. Finally, CACC fibers were reduced with sodium borohydride to yield copper nanoparticles-loaded composite fibers and investigated for biocidal action. It was found that CACC fibers possessed both, the fair mechanical strength and antibacterial action. The extent of biocidal action was found to depend upon the amount of Cu(II) loaded and concentration of alginate into cotton- cellulose fibers. The fibers showed higher Cu(II) release in physiological fluid as compared to distilled water. Copper alginate-cotton cellulose (CACC) fibers show fair mechanical strength and release copper ions in the presence of physiological fluid and protein solution. These fibers have great potential to be used as dressing materials.

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Effect of Surface Grafting-Modified on Structure and Property of Cellulose Fibers

Advanced Materials Research ◽

10.4028/www.scientific.net/amr.627.43 ◽

2012 ◽

Vol 627 ◽

pp. 43-48

Author(s):

Shu Hua Wang ◽

Jin Ming Dai ◽

Hu Sheng Jia ◽

Bing She Xu

Keyword(s):

Cellulose Fibers ◽

X Ray Diffraction ◽

Sem Images ◽

Wet Strength ◽

Structure And Property ◽

Chemically Modified ◽

Crosslinking Process ◽

Acrylamide Polymerization ◽

Modified Cellulose ◽

Effect Of Surface

Cellulose fibers were chemically modified on surface by acrylamide polymerization and glutaraldehyde crosslinking. The chemical and morphological structures of modified cellulose fibers were investigated with X-ray diffraction, FTIR spectra, and scanning electron microscopy (SEM). The crystalline conformations of the cellulose fibers were slightly changed in polymerization and crosslinking process. The wet strength of modified cellulose fibers was improved. Appreciable difference between the surfaces of native and modified cellulose fibers was observed from SEM images.

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One-pot synthesis of cellulose-templated copper nanoparticles with antibacterial properties

Materials Letters ◽

10.1016/j.matlet.2016.10.026 ◽

2017 ◽

Vol 187 ◽

pp. 170-172 ◽

Cited By ~ 25

Author(s):

Alireza Eivazihollagh ◽

Joakim Bäckström ◽

Christina Dahlström ◽

Fredrik Carlsson ◽

Ismail Ibrahem ◽

...

Keyword(s):

Copper Nanoparticles ◽

Antibacterial Properties ◽

One Pot ◽

One Pot Synthesis

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Preparation of grafted cationic polymer/silver chloride modified cellulose fibers and their antibacterial properties

Journal of Applied Polymer Science ◽

10.1002/app.42092 ◽

2015 ◽

Vol 132 (25) ◽

pp. n/a-n/a ◽

Cited By ~ 3

Author(s):

Xiaoqin Chen ◽

Bojian Hu ◽

Xiaodong Xing ◽

Zuliang Liu ◽

Yan Zuo ◽

...

Keyword(s):

Silver Chloride ◽

Antibacterial Properties ◽

Cellulose Fibers ◽

Cationic Polymer ◽

Modified Cellulose

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Technique for Measuring the Oxygen Index of Fibrous and Powdered Cellulose Derivatives

Journal of Fire Sciences ◽

10.1177/073490418400200307 ◽

1984 ◽

Vol 2 (3) ◽

pp. 248-254 ◽

Cited By ~ 3

Author(s):

Brenda J. Trask ◽

John V. Beninate ◽

George L. Drake

Keyword(s):

Oxygen Index ◽

Cellulose Fibers ◽

Cotton Cellulose ◽

Cellulose Derivatives ◽

Flame Resistance ◽

Fiber Density ◽

Powdered Cellulose ◽

Flammability Test ◽

Experimental Treatments ◽

Derivatives Of

A technique to assess the flame resistance of small quantities of fibrous or powdered derivatives of cotton cellulose was developed. The procedure is an adaptation of the oxygen index (OI) fabric flammability test. Cellulose fibers or powders were pressed into 0.5-g discs, 1 1/4 in. in diameter which were used to measure the OI's in the instrument employed for fabric OI determinations. Comparison of OI's of discs and fabrics representing untreated and conven tionally treated FR cottons resulted in a linear relationship; disc OI values were higher due to higher fiber density and lower accessibility of oxygen to the substrate. Among the experimental treatments of cotton cellulose, OI values of fibrous and powdered celluloses were uniformly low with increasing tritylation, peaked and dropped with increasing tosyl concentration and rose with increas ing mesylation. Some derivatives would be considered flame resistant.

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